问题
There __________great changes in our hometown in the past fifteen years.
A:has been
B:have been
C:was
D:were
B:have been
C:was
D:were
正确答案是：
同类题型
Did you see a girl in white pass by just now?—No, sir. I _____________ a newspaper.
There are ______________ birds there in the sky.
Hearing the news, I was excited say a word.[ ]
Mary told me her brother had arrived _______ Kunming. [ ]
I’m 13 years old and my sister is 15 years old. So my sister is